SILKA calcium silicate elements - Xella UK

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Fire resistanceSILKA calcium silicate elements are fireproof. The fire resistance values of awall with fully filled joints are:Thickn. wall≥100 mm≥150 mm≥214 mmFire resistance60 min120 min360 minGases, liquids and solid substancesWater vapour permability: 5/25Thermal characteristicsLinear coefficient of expansion: α = 9 – 12 x 10 –6 m/(m.K)Thermal conductivity: λ Ui = 0.91 W/m.KSpecific heat c = 1000 J/kg.KAcoustic qualitiesSound absorption coefficient: α = 0,03 (500 – 1000 Hz).The noise reduction of a wall with fully filled joints and finished is:Single wall R w Anchorless wall R wconstruction (ISO 717) construction (DIN 4109)E 100*45 dBE 150* 50 dB E150 – 20 - E150* 67 dBE 175*52 dBE 214*55 dBE 240**56 dB* test resultE 300*58 dB** E240 is only available on requestApplicationE 150 to E 300: inner leaf cavity wallsand load-bearing constructions inmasonry back-up.E 100: non load-bearing party wallsBuilding process:Storage: on stable, even and noncontaminatedsurface.Preparation: pre-processing check(by client) of the working wall drawingssupplied by Xella. SILKA elements,sawed blocks and kicker courseblocks, which are too dry for processing,should be moistened one daybefore use.Processing: consult the SILKA processingdirections. The elements aremechanically stacked, according to theworking wall drawings, with calciumsilicate thin joint mortar, bed jointthickness 2 mm, butt joint thickness3 mm. Both perp ends and bed jointsmust be fully filled with mortar.Accessories: SILKA thin joint mortarapplicators, mortar scoops, clampingdevices were developed especially forthe processing of SILKA elements.Movement joints: movement joints areindicated on the working wall drawingssupplied by Xella.Finishing: SILKA elements are appliedas masonry back-up and can bereadied for wallpaper by meansof thin finishing skim plaster.Workability: sawingPrices, delivery and guaranteesSILKA elements are delivered underCE certification, SILKA elements meetthe BBA n° 08/4553 requirements.Prices and terms of delivery:according to specification of Xella.Delivery time: standard elementsusually from stock, sawed blocksaccording to specification.Technical service- Technical construction advices- Application advices34SILKA Calcium Silicate Elements
The SILKA product range from Xellafinds its way to all sectors in the buildingindustry, finding use in dwellings,non-residential buildings and renovation.In this connection, SILKA blockshave the right properties for use inload-bearing and non load-bearing constructions.In addition to sales andmarketing activities, Xella suppliestechnical advice on construction andgives information to customers, builders,clients, architects and advisers.If you have any questions about thisbrochure or the SILKA-products andtheir applications and/or how theycan be used in construction, pleasecontact Xella.Although Xella has devoted thegreatest possible care to the contentand composition of this brochure,no rights can be derived from it bythird parties.Always consult the instructions foruse and the product informationsthat come with the goods.Xella reserves the right to modifyproduct specifications at any timewithout prior notice.SILKA Calcium Silicate Elements35
Page 1 and 2: SILKA calcium silicateelements
Page 3 and 4: ContentsChapter 1 Introduction 41.1
Page 5 and 6: waterlimesandmixingmeasuringslaking
Page 7 and 8: 1.5 Clamping devices and dowelsAt t
Page 9 and 10: 2.1 Ordering and delivery procedure
Page 11 and 12: Schematic overview of the orderinga
Page 13 and 14: FGHIThe tools and materials A to E
Page 15 and 16: 2.4.4 Distribution planIt is vital
Page 17: Shoring WallsAs a guideline for clo
Page 22 and 23: Chapter 4Working in summer and wint
Page 24 and 25: Chapter 5Movement joints5.1 Movemen
Page 26 and 27: 1000ABCDilatationCross-section ACro
Page 28 and 29: Chapter 6Connecting inner cavity wa
Page 30 and 31: Chapter 7Wall finishing & projects7
Page 32 and 33: Chapter 8Product informationSILKA c
Page 36: Xella UKUnit 2, The CourtyardReddic

SILKA calcium silicate elements - Xella UK

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